CN101503947B

CN101503947B - Telescopic combined double-layer drilling rig

Info

Publication number: CN101503947B
Application number: CN2008100492265A
Authority: CN
Inventors: 廖卫勇; 梁克敏; 王占军; 刘啸山; 杨光; 马颖
Original assignee: CHINA COAL CONSTRUCTION SPECIAL ENGINEERING TECHNOLOGY Co Ltd; CITIC Heavy Industries Co Ltd; Luoyang Mining Machinery and Engineering Design Institute Co Ltd
Current assignee: CHINA COAL CONSTRUCTION SPECIAL ENGINEERING TECHNOLOGY Co Ltd; CITIC Heavy Industries Co Ltd; Luoyang Mining Machinery and Engineering Design Institute Co Ltd
Priority date: 2008-02-04
Filing date: 2008-02-04
Publication date: 2011-05-18
Anticipated expiration: 2028-02-04
Also published as: CN101503947A

Abstract

The invention relates to a telescopic combined double-layer drill rack, which consists of a hinged supporting seat (1), an inner upright post (2), slide rails (3), a cross support (4), a ring beam (5), outer upright posts (6), a supporting beam (7), an upper oil cylinder seat (8) and an oil cylinder (9). Two single-edge drill racks have the same structure, and the single-edge drill rack forms a rectangular double-layer sleeve barrel type by sleeving the outer upright post with the inner upright post. The top of the outer upright post is assembled with the upper oil cylinder seat and connected with two oil cylinder output shafts in parallel through the upper oil cylinder seat. The body of the oil cylinder is provided with a middle support and connected with the cross support, wherein the cross support is fixed in the inner upright post on the half upper part; and the bottom of the inner upright post is provided with the hinged supporting seat. The outer upright posts of the two single-edge drill racks are respectively connected with the supporting beam and the ring beam through bolts so as to ensure that the outer upright posts, the supporting beam and the ring beam form a door type whole. The inner sides corresponding to the two outer upright posts are respectively connected with the slide rail so as to ensure that a power head which is arranged on a disc rack (10) can move up and down. A lug plate on the outer side at the bottom end of each outer upright post is connected with two oil cylinder output shafts. The body of the oil cylinder is provided with the middle support and connected with the cross support, and the cross support is fixed on the disc rack.

Description

A kind of telescopic combined double-layer drilling rig

Technical field

The invention belongs to the drilling equipment technical field, relate to a kind of telescopic combined double-layer drilling rig that is applied in engineering driller, rotating disc type and power unit type shaft drilling machine.

Background technology

The vitals of engineering driller, rotating disc type and power unit type shaft drilling machine---drilling cramp, truss formula or box structure are all adopted in its design.

For large-scale shaft drilling machine, if adopt above-mentioned two kinds of form of structure, because derrick height is too high, straddle truck passes drilling cramp or with drilling cramp during with rail, its drilling cramp span is excessive, the force-bearing situation and the job stability of drilling cramp all had a significant impact, and because the drilling cramp super large, equipment is installed very inconvenience, and construction costs also strengthens thereupon.

Summary of the invention

For the height that makes large-scale shaft drilling machine drops to the end in the situation that satisfies the drilling well needs, the present invention has designed a kind of telescopic combined double-layer drilling rig, this drilling cramp is made up of two identical drilling cramps, two identical drilling cramps are all the rectangular double-layer telescoping structure, and can in sleeve, stretch, two drilling cramps are combined into a whole gate-type structure by brace summer and collar tie beam with it, the unit head that is fitted on the butterfly frame is moved up and down, reduce the time and the difficulty of installation and removal, has working stability, reduce the plasma discharge lift, straddle truck can be crossed drilling cramp, makes the drill site layout more reasonable.

For achieving the above object, the present invention adopts following technical scheme:

Described telescopic combined double-layer drilling rig mainly is by hinged-support, inner column, slide rail, cross hang, collar tie beam, outer column, brace summer, the upper cylinder seat, oil cylinder constitutes, wherein two monolateral drilling cramps have identical structure, monolateral drilling cramp is formed the rectangular double-layer form of sleeve by outer column socket inner column, be equipped with the upper cylinder seat at the outer column top, the output shaft that connects two elevating rams by the upper cylinder seat side by side, the cylinder body design of elevating ram has intermediate supports, intermediate supports connects with cross hang, and cross hang is fixed on the first half in the inner column, and the inner column bottom is provided with hinged-support; The outer column of two monolateral drilling cramps connects brace summer respectively by bolt and collar tie beam makes it become gate-type integral body, and the inboard of two outer column correspondences is connected with slide rail separately so that the unit head that is installed on the butterfly frame is moved up and down; The output shaft that connects two oil cylinders on the otic placode in each outside, outer column bottom, the cylinder body design has intermediate supports, and intermediate supports connects with cross hang, and cross hang then is fixed on the butterfly frame.

Because adopt aforesaid technical scheme, the present invention has following superiority:

It is greatly easy to the invention enables large-scale shaft drilling machine to install, the time and the difficulty of drilling cramp installation and removal have been reduced, rig is working stability in drilling process, and can require voluntarily the lifting derrick to suitable height according to different work steps, reduce the plasma discharge lift, reduce the stroke of oil cylinder, also handling drill bit voluntarily, straddle truck can be crossed drilling cramp, makes the drill site layout more reasonable.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is the vertical view of Fig. 1.

Among the above-mentioned figure: the 1-hinged-support; The 2-inner column; The 3-slide rail; The 4-cross hang; The 5-collar tie beam; The 6-outer column; The 7-brace summer; 8-upper cylinder seat; The 9-oil cylinder; 10-butterfly frame.

The specific embodiment

As Fig. 1,2, shown in 3: telescopic combined double-layer drilling rig of the present invention mainly is by hinged-support 1, inner column 2, slide rail 3, cross hang 4, collar tie beam 5, outer column 6, brace summer 7, upper cylinder seat 8, oil cylinder 9 constitutes, wherein two monolateral drilling cramps have identical structure, monolateral drilling cramp is formed the rectangular double-layer form of sleeve by outer column 6 socket inner columns 2, be equipped with upper cylinder seat 8 at outer column 6 tops, the output shaft that connects two elevating rams 9 by upper cylinder seat 8 side by side, the cylinder body design of elevating ram 9 has intermediate supports, intermediate supports connects with cross hang 4, and cross hang 4 is fixed on the first half in the inner column 2, and inner column 2 bottoms are provided with hinged-support 1; The outer column 6 of two monolateral drilling cramps is connected brace summer 7 respectively by bolt and collar tie beam 5 makes it become gate-type integral body, the inboard of two outer columns, 6 correspondences connects slide rail 3 separately so that the unit head that is installed on the butterfly frame 10 is moved up and down; The output shaft that connects two oil cylinders 9 on the otic placode in each outside, outer column 6 bottoms, the cylinder body design has intermediate supports, and intermediate supports connects with cross hang 4, and cross hang 4 is fixed on the butterfly frame 10.

Drilling cramp is when making: each connecting flange is all joined weldering, to guarantee the correctness of each flange connection holes position; Drilling cramp leg span is 15000X7140mm, and is consistent with each column centre distance, and the two drilling cramp column discrepancy in elevation are not more than 2mm, and the verticality of column center line is not more than 3mm; Slide rail 3 on the outer column 6 should be in the same plane; For guaranteeing that the gap is even between the inside and outside column of drilling cramp, operation does not have jam freely, inner column 2 postweldings are eliminated internal stress, and be the welding that mold carries out outer column 6 with it, when outer column 6 welding, note regulating with screw, make between inside and outside column around the gap even, the gap is about 3mm between the inside and outside column of drilling cramp, and stress relief annealing of inside and outside column while of postwelding drilling cramp is also corrected; Each hinged place flexible movements.

On connecting, oil cylinder adopts the cross hang hinge technologies, in order to protect oil cylinder and to increase the compliance of oil cylinder when vibrating.

6 are provided with balladeur train shifting sledge 3 on the outer column, and butterfly frame 10 is moved up and down along slide rail; Outer column 6 moves up and down by the oil cylinder 9 that is assemblied in the inner column 2.

Stability when working for increasing drilling cramp, reduce oil cylinder stroke, inner column 2 is assemblied in the outer column 6, forms the rectangular double-layer telescoping structure, and the inside and outside column of drilling cramp is respectively by 4 oil cylinder and 4 oil cylinder 9 segmentation lifting balladeur train and unit heads that are assemblied in the inner column 2 that are assemblied on the outer column 6.

The inside and outside column of the drilling cramp that assembles then connects into an integral body by two brace summers 7 and collar tie beam 5, be the gate-type structure, and be articulated on the drilling cramp base by the hinged-support 1 of inner column 2 bottoms, the drilling cramp base is three crossbeams, an opening is for the connecting and disconnecting drill rod operation.Stretch out four supporting legs under the drilling cramp base, realize being rigidly connected with the flange of the vehicle frame of derrick running gear.

When rig creeps into, move simultaneously earlier, balladeur train 10 is got on the right track along it together with unit head 3 move up and down, drill, the feeding operation by 4 elevating rams 9 that are assemblied on the drilling cramp outer column 6; When operation of falling the chi and drilling operation, the common actions such as oil cylinder 9 on the inside and outside column of drilling cramp, lifting drilling cramp; Space under the drilling cramp supplies the usefulness of chi and drilling operation.

This telescopic combined double-layer drilling rig can bear 60 tons of rice of revolution twisting moment, 700 tons of lifting power; 12 meters of the maximum drilling well diameters of rig, 900 meters of maximum drilling depths.

Claims

1. telescopic combined double-layer drilling rig, it is characterized in that: this drilling cramp mainly is by hinged-support (1), inner column (2), slide rail (3), first cross hang (4), second cross hang (4), collar tie beam (5), outer column (6), brace summer (7), upper cylinder seat (8), two first elevating rams (9), two second oil cylinders (9) constitute, wherein two monolateral drilling cramps have identical structure, monolateral drilling cramp is formed the rectangular double-layer form of sleeve by the described inner column of described outer column (6) socket (2), be equipped with upper cylinder seat (8) at outer column (6) top, the output shaft that connects two first elevating rams (9) by upper cylinder seat (8) side by side, the cylinder body design of first elevating ram (9) has first intermediate supports, first intermediate supports connects with first cross hang (4), and first cross hang (4) is fixed on the first half in the inner column (2), and inner column (2) bottom is provided with hinged-support (1); The outer column (6) of two monolateral drilling cramps is connected brace summer (7) respectively by bolt and collar tie beam (5) makes it become gate-type integral body, the inboard that two outer columns (6) are corresponding connects slide rail (3) separately so that the unit head that is installed on the butterfly frame (10) is moved up and down; The output shaft that connects two second oil cylinders (9) on the otic placode in the outside, each outer column (6) bottom, the cylinder body design of second oil cylinder (9) has second intermediate supports, second intermediate supports connects with second cross hang (4), and second cross hang (4) is fixed on the butterfly frame (10).